A97/100
MADISON WATER DISTRICT — Water Quality Report 2026
Serving 2,050 people · Ohio
Water Source
Groundwater
County
—
System ID
OH7006712
Violations
0
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 201.00 mg/L | 1.30 mg/L | Over Limit |
EPA Violation History
No violations in the past 5 years
This system has a clean compliance history.
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Frequently Asked Questions About MADISON WATER DISTRICT
Is MADISON WATER DISTRICT water safe to drink?
MADISON WATER DISTRICT water receives a grade of A (97/100), which is considered excellent. Out of 2 contaminants tested, 1 exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has MADISON WATER DISTRICT detected?
2 contaminants were tested in MADISON WATER DISTRICT's water. Notable contaminants include Copper (90th percentile). 1 exceed EPA legal limits (MCLs). 1 exceed EPA health goals (MCLGs).
Does MADISON WATER DISTRICT have any EPA violations?
No, MADISON WATER DISTRICT has zero EPA violations on record. This indicates consistent compliance with federal drinking water standards.
How many people does MADISON WATER DISTRICT serve?
MADISON WATER DISTRICT serves approximately 2,050 people, Ohio.
What type of water does MADISON WATER DISTRICT provide?
MADISON WATER DISTRICT sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is OH7006712.
How does MADISON WATER DISTRICT compare to other utilities in Ohio?
MADISON WATER DISTRICT scores 97/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our Ohio state page for a full comparison of water systems.